Description
The Lochinvar & A.O. Smith 100112812 is an OEM replacement Main Control Board designed to restore full operational control to compatible Lochinvar and A.O. Smith heating and water heating equipment. Engineered to exact factory specifications, this control board ensures seamless integration with your existing system, minimizing downtime and eliminating the guesswork of aftermarket alternatives.
Key Features
- OEM replacement main control board for Lochinvar and A.O. Smith equipment
- Designed to factory specifications for direct drop-in replacement
- Restores full system control and operational reliability
- Ensures compatibility with original wiring harnesses and system components
- Helps minimize equipment downtime with a precise-fit solution
Why Choose an OEM Control Board?
Using a genuine OEM main control board like the 100112812 ensures your Lochinvar or A.O. Smith unit operates as originally intended. Aftermarket boards may introduce compatibility issues or void existing warranties. This board is the trusted choice for HVAC and plumbing professionals who demand reliability and accuracy on every service call.
Application
- Compatible with select Lochinvar and A.O. Smith heating and water heating systems
- Intended for use by qualified HVAC and plumbing technicians
- Refer to your equipment’s service manual to confirm compatibility before installation







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